34√3 cos (-п/6] sin (-п/6)

Question

34√3 cos (-п/6] sin (-п/6)

Answer 1

Sin (-π/6)=-0,5; cos (-π/6)=0,5*√3. Тогда 34√3 cos (-π/6)*sin (-π/6)=34√3 *0,5*√3*(-0,5)=-34*3*0,25=-25,5.

Ответ: -25,5.